Yamaha S-90 Owner's Manual page 23

FILTER Settings
Click on the text box and choose the filter type. The graph shows pre-defined settings initially, but
you can edit these. Using the LPF type as an example, drag the left handle vertically to set the
Filter Gain. Drag the right handle horizontally to set the Filter Cutoff frequency.
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Parameter values are shown when dragging the handles. To set these values directly, select the "FILTER
EG" tab of the "EL DETAIL" dialog.
EQ Settings
Click on the text box and choose the equalizer type. Using the EQ/LH type as an example, the
left handle controls the bass frequencies and the right handle controls the treble frequencies.
Drag the handles vertically to adjust gain, and horizontally to adjust the frequency.
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To set these values directly, select the "OSCILLATOR" tab of the "EL DETAIL" dialog.
PITCH EG Settings
The PITCH EG (Envelope Generator) determines the transition in pitch while the key is being held
down. There are five handles, each controlling a different stage in the envelope.
The first square mark (furthest to the left) controls the "Hold Time/Level." The second controls the
"Attack Time/Level." The third controls the "Decay 1 Time/Level." The fourth controls the "Decay
2 Time/Sustain Level." The last handle (furthest to the right) controls the "Release Time/Level."
Drag the handles vertically to adjust levels, and horizontally to adjust the transition times.
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To set these values directly, select the "PITCH" tab of the "EL DETAIL" dialog.
FILTER EG Settings
The FILTER EG (Envelope Generator) determines the transition in timbre while the key is being
held down. There are five handles, each controlling a different stage in the envelope. The first
handle (furthest to the left) controls the "Hold Time/Level." The second controls the "Attack Time/
Level." The third controls the "Decay 1 Time/Level." The fourth controls the "Decay 2 Time/
Sustain Level." The last square mark (furthest to the right) controls the "Release Time/Level."
Drag the handles vertically to adjust levels, and horizontally to adjust the transition times.
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To set these values directly, select the "FILTER EG" tab of the "EL DETAIL" dialog.
AMPLITUDE EG Settings
The AMPLITUDE EG (Envelope Generator) determines the transition in amplitude over time.
There are five handles, each controlling a different stage in the envelope. The first handle
(furthest to the left) controls the "Init Level." The second controls the "EG Attack Time." The third
controls the "EG Decay 1 Time/Level." The fourth controls the "Decay 2 Time/Sustain Level." The
last handle (furthest to the right) controls the "EG Release Time." Drag the handles vertically to
adjust levels, and horizontally to adjust the transition times.
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To set these values directly, select the "AMP EG" tab of the "EL DETAIL" dialog.
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